123352720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{49739}}^1$

素因数の和:49783

約数の個数: 40

約数和(自身を含む): 296052480

約数和(自身を除く): 172699760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 49739, 99478, 198956, 248695, 397912, 497390, 795824, 994780, 1541909, 1989560, 3083818, 3979120, 6167636, 7709545, 12335272, 15419090, 24670544, 30838180, 61676360, 123352720]

約数ペア:

[(1, 123352720), (2, 61676360), (4, 30838180), (5, 24670544), (8, 15419090), (10, 12335272), (16, 7709545), (20, 6167636), (31, 3979120), (40, 3083818), (62, 1989560), (80, 1541909), (124, 994780), (155, 795824), (248, 497390), (310, 397912), (496, 248695), (620, 198956), (1240, 99478), (2480, 49739)]